83 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			83 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
| # -*- coding: utf-8 -*-
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| # Copyright 2019 The Matrix.org Foundation C.I.C.
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| #
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| # Licensed under the Apache License, Version 2.0 (the 'License');
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an 'AS IS' BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| 
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| from synapse.metrics import REGISTRY, generate_latest
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| from synapse.types import Requester, UserID
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| 
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| from tests.unittest import HomeserverTestCase
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| 
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| 
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| class ExtremStatisticsTestCase(HomeserverTestCase):
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|     def test_exposed_to_prometheus(self):
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|         """
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|         Forward extremity counts are exposed via Prometheus.
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|         """
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|         room_creator = self.hs.get_room_creation_handler()
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| 
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|         user = UserID("alice", "test")
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|         requester = Requester(user, None, False, None, None)
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| 
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|         # Real events, forward extremities
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|         events = [(3, 2), (6, 2), (4, 6)]
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| 
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|         for event_count, extrems in events:
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|             info = self.get_success(room_creator.create_room(requester, {}))
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|             room_id = info["room_id"]
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| 
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|             last_event = None
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| 
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|             # Make a real event chain
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|             for i in range(event_count):
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|                 ev = self.create_and_send_event(room_id, user, False, last_event)
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|                 last_event = [ev]
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| 
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|             # Sprinkle in some extremities
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|             for i in range(extrems):
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|                 ev = self.create_and_send_event(room_id, user, False, last_event)
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| 
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|         # Let it run for a while, then pull out the statistics from the
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|         # Prometheus client registry
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|         self.reactor.advance(60 * 60 * 1000)
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|         self.pump(1)
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| 
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|         items = set(
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|             filter(
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|                 lambda x: b"synapse_forward_extremities_" in x,
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|                 generate_latest(REGISTRY).split(b"\n"),
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|             )
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|         )
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| 
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|         expected = set(
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|             [
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|                 b'synapse_forward_extremities_bucket{le="1.0"} 0.0',
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|                 b'synapse_forward_extremities_bucket{le="2.0"} 2.0',
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|                 b'synapse_forward_extremities_bucket{le="3.0"} 2.0',
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|                 b'synapse_forward_extremities_bucket{le="5.0"} 2.0',
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|                 b'synapse_forward_extremities_bucket{le="7.0"} 3.0',
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|                 b'synapse_forward_extremities_bucket{le="10.0"} 3.0',
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|                 b'synapse_forward_extremities_bucket{le="15.0"} 3.0',
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|                 b'synapse_forward_extremities_bucket{le="20.0"} 3.0',
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|                 b'synapse_forward_extremities_bucket{le="50.0"} 3.0',
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|                 b'synapse_forward_extremities_bucket{le="100.0"} 3.0',
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|                 b'synapse_forward_extremities_bucket{le="200.0"} 3.0',
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|                 b'synapse_forward_extremities_bucket{le="500.0"} 3.0',
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|                 b'synapse_forward_extremities_bucket{le="+Inf"} 3.0',
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|                 b"synapse_forward_extremities_count 3.0",
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|                 b"synapse_forward_extremities_sum 10.0",
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|             ]
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|         )
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| 
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|         self.assertEqual(items, expected)
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